During volcanic crises, the USGS Hawaiian Volcano Observatory (HVO) plays a pivotal role, sharing information on activity and associated hazards with close partners on the Island of Hawaii, including ...

In 2012, steam began to rise from beneath the cracked concrete of a telecommunication station at the summit of Pico Basile volcano on Bioko Island, Equatorial Guinea, in western Africa. The steaming ...

When volcanoes erupt, pinpointing the regions at high risk for lethal hazards and deciding whether or not to evacuate a resistant population comprise the most difficult problems faced by hazards ...

This chapter summarizes the principal conclusions and recommendations developed elsewhere in this report. Major conclusions are printed in italics and recommendations in bold. Basic research in the ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Drew La Pointe, communication ...

It is the responsibility of the USGS Volcano Hazards Program to deliver forecasts, warnings and information based on scientific understanding of volcanic processes so that eventually, we may fear less ...

The Popocatépetl volcano, located southeast of Mexico City, stands as the second highest peak in Mexico and is considered to be one of the potentially most dangerous volcanoes in the world, given its ...

Scientists were certain Hawaii’s Mauna Loa volcano would begin erupting again before the lava began to flow, but knowing when exactly it will stop can be harder to predict. The volcano within Hawaii ...

More than 1,000 active volcanoes around our planet can sputter glowing lava and smoky ash, and the world's biggest one has erupted in Hawaii after 38 years dormant. The largest active volcano in the ...

Volcanic eruptions create some of nature’s most dramatic displays. Depending on their magnitude and location, they also have the potential for becoming major social and economic disasters. To date, ...